Teacher::Teacher(string pname, int age)
{
    name = pname;
    this->age = age;
}
string Teacher::getName() const
{
    return this->name;
}   
int Teacher::getAge() const
{
    return this->age;
}
void Teacher::setName(string name)
{
    this->name = name;
}
void Teacher::setAge(int age)
{
    this->age = age;
}